共查询到20条相似文献,搜索用时 171 毫秒
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M R el-Maghrabi A J Lange L Kümmel S J Pilkis 《The Journal of biological chemistry》1991,266(4):2115-2120
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Characterization of the rat prodynorphin gene 总被引:8,自引:0,他引:8
J Douglass C T McMurray J E Garrett J P Adelman L Calavetta 《Molecular endocrinology (Baltimore, Md.)》1989,3(12):2070-2078
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R P Woychik S A Camper R H Lyons S Horowitz E C Goodwin F M Rottman 《Nucleic acids research》1982,10(22):7197-7210
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Molecular cloning and expression in Escherichia coli of a cDNA clone encoding luciferase of a firefly, Luciola lateralis. 总被引:4,自引:0,他引:4
We have cloned a cDNA encoding Luciola lateralis (a common firefly in Japan) luciferase from a cDNA library of lantern poly(A)+ RNA, using a cDNA of L. cruciata (another common firefly in Japan) luciferase as a probe. The primary structure of L. lateralis luciferase deduced from the nucleotide sequence was shown to consist of 548 amino acids with a molecular weight of 60,132. Sequence comparison indicates that L. lateralis luciferase has significant sequence identity (94%) to L. cruciata luciferase, and that it has less sequence similarity (67%) to Photinus pyralis (a North American firefly) luciferase. The isolated cDNA clone, when introduced into Escherichia coli, directed the synthesis of enzymatically active luciferase under the control of the lacZ promoter. 相似文献
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Spider venoms are complex mixtures of neurotoxicpeptides, proteins and low molecular mass organicmolecules. Their neurotoxic activity is due to the interac-tion of the venom components with cellular receptors, inparticular ion channels. Spider venoms have… 相似文献
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Isolation of a rat parvalbumin gene and full length cDNA 总被引:9,自引:0,他引:9
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Structural and functional analysis of a growth-regulated gene, the human calcyclin 总被引:16,自引:0,他引:16
S Ferrari B Calabretta J K deRiel R Battini F Ghezzo E Lauret C Griffin B S Emanuel F Gurrieri R Baserga 《The Journal of biological chemistry》1987,262(17):8325-8332
Calcyclin was originally defined as a cDNA clone (2A9) whose cognate RNA is growth-regulated and whose sequence shows strong similarities to the sequences of the S-100 protein, a calcium-binding protein, as well as to a subunit of the major cellular substrate for tyrosine kinase. Using the full-length cDNA, we have now isolated from a human genomic library several phages containing calcyclin sequences. One of the phages, ch. 28-10, contains the entire calcyclin gene, plus extensive flanking sequences. The calcyclin gene is a unique copy gene and has 3 exons. The 5' flanking sequence has been characterized, both structurally and functionally. Besides a TATA box, it contains, in the region proximate to the cap site, GC boxes and a sequence with a strong homology to the enhancer core of the SV40 promoter. Other enhancer-like elements are found scattered in both the 5' and 3' flanking regions. The proximate 5' flanking region is very active in driving the transient expression of linked reporters in transfection experiments. Finally, the calcyclin gene has been localized to the long arm of human chromosome 1, near the ski oncogene. 相似文献
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Summary A DNA segment carrying the full-length, intronless firefly luciferase gene was inserted into the high expression secretion vector, pIN-III -ompA. Upon induction of gene expression, luciferase activity was detected in extracts prepared from periplasmic fractions. The results indicated that the OmpA signal peptide was able to direct secretion of firefly luciferase across the cytoplasmic membrane. This has important implications for using this luciferase as a reporter in studying protein export and targeting. 相似文献
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